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FLASHBACK DATABASE → Purpose Use the FLASHBACK DATABASE statement to return the database to a past time or system change … . Following a FLASHBACK DATABASE operation, in order to have write access to the flashed back … Backup and Recovery User's Guide for more information on FLASHBACK DATABASE Prerequisites You must … database must have been put in
FLASHBACK TABLE → Purpose Use the FLASHBACK TABLE statement to restore an earlier state of a table in the event of … parameters. You cannot roll back a FLASHBACK TABLE statement. However, you can issue another FLASHBACK TABLE … the current SCN before issuing a FLASHBACK TABLE clause. See Also: FLASHBACK DATABASE for information
ALTER FLASHBACK ARCHIVE → Purpose Use the ALTER FLASHBACK ARCHIVE statement for these operations: Designate a flashback data … archive as the default flashback data archive for the system Add a tablespace for use by the … flashback data archive Change the quota of a tablespace used by the flashback data archive Remove a
DROP FLASHBACK ARCHIVE → Purpose Use the DROP FLASHBACK ARCHIVE clause to remove a flashback data archive from the system … . This statement removes the flashback data archive and all the historical data in it, but does not … drop the tablespaces that were used by the flashback data archive. Prerequisites You must have the … FLASHBACK
CREATE FLASHBACK ARCHIVE → Purpose Use the CREATE FLASHBACK ARCHIVE statement to create a flashback data archive, which … objects. A flashback data archive consists of multiple tablespaces and stores historic data from all … transactions against tracked tables. Flashback data archives retain historical data for the time … duration specified
Flashback Database → Oracle Database includes the following logical flashback features: Oracle Flashback Query You can … Database Advanced Application Developer's Guide explains how to use this feature. Oracle Flashback … Database Advanced Application Developer's Guide explains how to use this feature. Oracle Flashback … feature.
Oracle Flashback Technology → As explained in Oracle Database Concepts, Oracle Flashback Technology complements your physical … . Specifically, you can use flashback features to view past states of data and rewind your database … without restoring backups or performing point-in-time recovery. In general, flashback features are more
Enabling Flashback Database → To enable logging for Flashback Database, set the DB_FLASHBACK_RETENTION_TARGET initialization … parameter and issue the ALTER DATABASE FLASHBACK ON statement. To enable flashback logging: Start SQL … MOUNT; Optionally, set the DB_FLASHBACK_RETENTION_TARGET to the length of the desired flashback … DB_FLASHBACK_RETENTION_TARGET
Logical Flashback Features → Most of the flashback features of Oracle operate at the logical level, enabling you to view and … manipulate database objects. The logical-level flashback features of Oracle do not depend on RMAN and … are available whether or not RMAN is part of your backup strategy. With the exception of Flashback … Drop, the logical flashback
About Flashback Drop → This section explains how to retrieve objects from the recycle bin by means of the FLASHBACK TABLE... TO BEFORE DROP statement. About Flashback Drop
Prerequisites of Flashback Drop → Flashback Drop reverses the effects of a DROP TABLE operation. Flashback Drop is faster than other … . You can query objects in the recycle bin, just as you can query other objects. A flashback … perform Flashback Drop, the objects are generally all retrieved together. When you restore a table from … dependent
Prerequisites for Flashback Table → Flashback Table uses information in the undo tablespace rather than restored backups to retrieve … the table. When a Flashback Table operation occurs, new rows are deleted and old rows are reinserted … . The rest of your database remains available while the flashback of the table is being performed. See … Also: Oracle Database
Prerequisites of Flashback Database → This section explains the most common scenario for using Flashback Database to reverse unwanted … changes to your database. Prerequisites of Flashback Database
Recovering Tables Using Oracle Flashback Table → Recovering Tables Using Oracle Flash back Table Oracle Flashback Table enables you to restore a … , Oracle Flashback Table eliminates the need for you to perform more complicated point-in-time recovery … operations. Oracle Flashback Table: Restores all data in a specified table to a previous point in time … specified between a
FLASHBACK DATABASE → Purpose Use the FLASHBACK DATABASE command to rewind the database to a target time, SCN, or log … exist when you run the command. Flashback can fix logical failures, but not physical failures. Thus … . FLASHBACK DATABASE is usually much faster than a RESTORE operation followed by point-in-time recovery … , because the time needed
Performing a Flashback Database Operation → To use the FLASHBACK DATABASE command to return your database contents to points in time within the … flashback window, your database must have been previously configured for flashback logging as … described in \"Configuring Oracle Flashback Database and Restore Points\". To return the database to a … \"Creating
Monitoring Flashback Database Performance Impact → are several data analysis methods for monitoring the Flashback Database workload on your system … . For example, you can compare AWR reports from before and after the Flashback Database was turned on … . You can also review AWR snapshots to pinpoint system usage caused by flashback logging. For example … , if flashback
Performing a Flashback Drop Operation → The following list summarizes the user privileges required for the operations related to Flashback … , placing it in the recycle bin. FLASHBACK TABLE... TO BEFORE DROP Privileges for this statement are … tied to the privileges for DROP. That is, any user who can drop an object can perform Flashback Drop to … FLASHBACK
Performing a Flashback Table Operation → To use the Flashback Table feature on one or more tables, use the FLASHBACK TABLE SQL statement … with a target time or SCN. You must have the following privileges to use the Flashback Table feature … : You must have been granted the FLASHBACK ANY TABLE system privilege or you must have the FLASHBACK
TO BEFORE SEQUENCE integer THREAD integer Specifies a redo log sequence number and thread as an upper… → most recent OPEN RESETLOGS. Note: FLASHBACK DATABASE can only return the database to a point before … to convert the time to the current format, for example, FLASHBACK DATABASE TO TIME 'SYSDATE-7'. Query … can flash back. Examples Example 2-79 FLASHBACK DATABASE to a Specific SCN Assume that you inserted … query the earliest SCN